M4.5 earthquake 289 km SW of Houma, Tonga
A magnitude 4.5 earthquake struck 289 km SW of Houma, Tonga on Wed, Jun 17, 2026, 4:09 PM GMT+13 (03:09 UTC), 220 km (137 mi) below the surface.
A larger quake followed: M4.6 south of the Fiji Islands. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-06-17 03:09:09 UTC
- Depth
- 220.0 km (136.7 mi), intermediate-depth
- Epicenter
- 23.031° S, 177.266° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 13.4 km horizontally, 8.5 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 123°
- Stations used
- 36
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.6south of the Fiji Islands · 76 days ago · 206 km deep · 70 km away
- 4.2south of the Fiji Islands · 57 days ago · 444 km deep · 58 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000stk2. Read Sun, Oct 4, 2026, 2:38 PM UTC.